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7/1/2025, 6:33:48 PM
>>149230493
Keyframes are generally very specific points in an animation sequence - key poses and inflection points within motions, etc. or minor breakdowns partway between those to help guide and inform the 'curve' or 'flow' of the animation. Randomly picking points in an animation to designate as keyframes is a poor way to train a model.
To use a data analogy, suppose I want to fit a curve to the data in pic related. If I just pic points at random I might lose critical information about local minima, maxima, inflection points, etc. that are vital to ensuring the resulting curve accurately reflects the data I'm trying to model. Same principle here.
Picking random points in a finished animation also needlessly complicates the model by bringing in other superfluous details - coloring, shading, cropping of frames to simulate camera tracking, etc.
Keyframes are generally very specific points in an animation sequence - key poses and inflection points within motions, etc. or minor breakdowns partway between those to help guide and inform the 'curve' or 'flow' of the animation. Randomly picking points in an animation to designate as keyframes is a poor way to train a model.
To use a data analogy, suppose I want to fit a curve to the data in pic related. If I just pic points at random I might lose critical information about local minima, maxima, inflection points, etc. that are vital to ensuring the resulting curve accurately reflects the data I'm trying to model. Same principle here.
Picking random points in a finished animation also needlessly complicates the model by bringing in other superfluous details - coloring, shading, cropping of frames to simulate camera tracking, etc.
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